Description

A strong, lightweight range of blocks for use on dinghies and day boats or as lead blocks on larger craft. Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads. Fixed eye with plain attachment eye.

SWL

Length(mm)

Weight(g)

PlainSheave

300

50.4

37

Sheave size 20mm x 8mm (25/32 x 5/16")

Max rope diameter 5mm (3/16")

Break load 550Kg (1210 lbs)

Max rolling load (ball bearing blocks) 130kg (286lbs)

Where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded as in a purchase tackle. Uneven loading, or loading of one sheave in a double or triple block, will severely affect strength quoted. If unsure, please seek further assistance.